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Old 01-28-2014, 01:43 PM   #1
ddiggler25
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08 GXR750 k8
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best drag sprockets for gsxr750

Hello guys been a while...got myself another 750 and I'm looking for the best sprocket gearing for a bike that will be a daily driver and a weekend worrior, I want to apply all basic bolt ons before opening engine all help and input is greatly appreciate
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Old 01-28-2014, 01:54 PM   #2
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-1/+2 is common.
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Old 01-28-2014, 02:08 PM   #3
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-1/+2 is common.
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Old 01-28-2014, 02:55 PM   #4
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1/8 or 1/4 mile ?
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Old 01-28-2014, 03:02 PM   #5
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1/4
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Old 01-28-2014, 03:29 PM   #6
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How much do you weigh? I rock -1 + 5 1/4
The heavier you are, the more gear u need.
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Old 01-28-2014, 03:53 PM   #7
ddiggler25
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Specs are
2007 gsxr750
Power commander 3
quick shift
Bcm filter
Gp exhaust
Streched 12"
rider
170 lbs.
5'10"
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Old 01-28-2014, 05:13 PM   #8
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try -1 +2, on my old 750 i was geared -2 +2 but it turned a lot of rpms on the highway
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Old 01-28-2014, 09:50 PM   #9
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Quote:
Originally Posted by ddiggler25 View Post
Specs are
2007 gsxr750
Power commander 3
quick shift
Bcm filter
Gp exhaust
Streched 12"
rider
170 lbs.
5'10"
That's good for a high 9 sec 1/4. Push the numbers n gear it for 150- 155 mph
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Old 01-28-2014, 09:58 PM   #10
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My quickest times have come from gearing a bike to be at the top of fourth gear at the 1/8. Had my best 60 fts like that too. On 6 speed bikes
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Old 01-28-2014, 10:46 PM   #11
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With The Quick Shifter You Can Really Bang The Gears, I Love -2 +2
WE Have Around 5 Bikes And All Run -2 Front, It's Easier To Change Rear ForThe Track Or Conditions.

Ran This On The Street Tons Of Times
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Old 01-28-2014, 11:17 PM   #12
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With The Quick Shifter You Can Really Bang The Gears, I Love -2 +2
WE Have Around 5 Bikes And All Run -2 Front, It's Easier To Change Rear ForThe Track Or Conditions.

Ran This On The Street Tons Of Times
-2 up front will wear your chain out faster going around a tighter circle but would not matter racing. Personally I go -1 up front n change it up in the rear from 40 to 60 depending on lot woolies to 1 mile course. For each his own.
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Old 01-29-2014, 08:26 AM   #13
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That's good for a high 9 sec 1/4. Push the numbers n gear it for 150- 155 mph

when you say gear it.....would you happen to have a guess what the rear gear should be at?
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Old 01-29-2014, 09:45 AM   #14
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You also want to make the minimum gear changes since the changes hurt ET also. You dont want to have to go past 5th in the 1/4 IMO. Try -1+2 first. After that only make changes to rear. make +2 tooth changes to the rear if you need more.
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Old 01-29-2014, 11:02 AM   #15
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You also want to make the minimum gear changes since the changes hurt ET also. You dont want to have to go past 5th in the 1/4 IMO. Try -1+2 first. After that only make changes to rear. make +2 tooth changes to the rear if you need more.
This. Start with -1 +2 & work from there.
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Old 01-29-2014, 11:08 AM   #16
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a plus 2 isnt , dont waste your $75

at least start with a +3
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Old 01-29-2014, 11:12 AM   #17
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=3 isnt much more. He needs to avoid top gear. If he gets to line at red line he is on the money. 1 more is likely to require a shift 10-20' before the line. It did on my 600. This gear change must be avoided and matters a lot
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Old 01-29-2014, 11:41 AM   #18
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=3 isnt much more. He needs to avoid top gear. If he gets to line at red line he is on the money. 1 more is likely to require a shift 10-20' before the line. It did on my 600. This gear change must be avoided and matters a lot
He is 12 over stretched to keep in mind. Gonna need some gear not to bog it off the start. I run -1 + 5 on my 636 and use 6 th gear(6+ stretch) I've ran a 1.48 60 ft n 6.48 @ 109 1/8 on pump gas after riding the Forrest all day n then ride to work on Monday.
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Old 01-29-2014, 06:02 PM   #19
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Ok next question should I go with 520 chain?
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Old 01-29-2014, 06:24 PM   #20
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Ok next question should I go with 520 chain?
530
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